glibc/math/w_hypotl.c
Ulrich Drepper 0ac5ae2335 Optimize libm
libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.
2011-10-12 11:27:51 -04:00

37 lines
907 B
C

/* w_hypotl.c -- long double version of w_hypot.c.
* Conversion to long double by Ulrich Drepper,
* Cygnus Support, drepper@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* wrapper hypotl(x,y)
*/
#include <math.h>
#include <math_private.h>
long double
__hypotl(long double x, long double y)
{
long double z;
z = __ieee754_hypotl(x,y);
if(__builtin_expect(!__finitel(z), 0)
&& __finitel(x) && __finitel(y) && _LIB_VERSION != _IEEE_)
return __kernel_standard(x, y, 204); /* hypot overflow */
return z;
}
weak_alias (__hypotl, hypotl)